Updating python plugin sensors via the api:not allowed?

[blauwebuis]

I'm trying to update a device created by a python plugin via the domoticz API. But it doesn't seem to register.

- I tested 'normal' devices, and I can update those without a problem.
- Updating a sensor created via a python plugin seems to go ok in theory, as the api returns this:

{
"status" : "OK",
"title" : "Update Device"
}

But in reality the sensor value does not change.